Luffy's Gum-Gum Elephant Gun is named after an animal. This technique allows Luffy to blow up either his hand or foot like a balloon and perform a powerful blow. This has been used in multiple ...

With Third Gear, Luffy blows up his limbs like a balloon due to the rubbery nature ... Film Strong World, with Gum-Gum Gigant Thor Axe. During the Thriller Bark arc, Luffy was given the power ...